Subtopic 3.1003 Dropped Ceilings and Soffits

Continuous air barrier Air barrier The separation between the interior and exterior environments of a building that slows air flow to the point that no smoke movement is visible at 50 pascals of pressure difference across the boundary prevents air leakage and moisture movement between the attic and conditioned space

Continuous air barrier Air barrier The separation between the interior and exterior environments of a building that slows air flow to the point that no smoke movement is visible at 50 pascals of pressure difference across the boundary prevents air leakage and moisture movement between the attic and conditioned space

Continuous air barrier Air barrier The separation between the interior and exterior environments of a building that slows air flow to the point that no smoke movement is visible at 50 pascals of pressure difference across the boundary prevents air leakage and moisture movement between the attic and conditioned space

Continuous air barrier Air barrier The separation between the interior and exterior environments of a building that slows air flow to the point that no smoke movement is visible at 50 pascals of pressure difference across the boundary prevents air leakage and moisture movement between the attic and conditioned space

Sealed light boxes safely prevent air leakage and moisture movement between the attic and conditioned space

Dropped soffits sealed to prevent air leakage and moisture movement between the attic and conditioned space